05-24-2006 01:03 AM
Hi,
I am appearing for 642-642 exam.
-I want to know the commands to configure IP phone on cisco 2950 switch on a port fa0/1?
-Command to trust incoming CoS setting only if a cisco IP Phone is connected?
-Command to trust all incoming DSCP settings for a traffic on a port fa0/2?
-Command to trust all incoming CoS settings for a traffic on a port fa0/3?
05-30-2006 05:57 AM
Switch# config t
Switch(config)# interface
Switch(config-if)# switchport access vlan [vlan no]
switch(config-if)# no switchport voice vlan [vlan no]
switch(config-if)# no switchport mode trunk
Switch(config-if)# no switchport trunk encapsulation dot1q
If the 7935 Cisco IP conference phone is connected to a switch, the conference Phone gets its ip address from the data VLAN. If the Cisco 7960 Ip phone is connected on the same switchport as the 7935 Cisco IP conference phone, the Cisco 7960 gets ip address on the Voice VLAN.
The issue is due to the design of Cisco 7935 IP conference phones. The 7935 Cisco IP Conference Phone has no 10/100 port to connect a PC as like other7900 Series IP Phones.The concept of Voice VLAN or Auxiliary VLAN does notdirectly apply to this Cisco 7935 IP Conference phones.
07-05-2006 12:01 AM
Hy,
You can also try: auto qos voip
like:
!
interface fa0/1 /-> is connected to IPPhone/
auto qos voip cisco-phone /trust CoS from IPPhone/
!
interface fa0/24 /-> uplink interface/
auto qos voip trust /trust the DSCP from network/
Good luck
Bogdan
06-30-2006 03:29 PM
On 2950 to configure for Cisco IP Phone is.
-Command to trust incoming CoS setting only if a cisco IP Phone is connected?
mls qos trust device cisco-phone
-Command to trust all incoming DSCP settings for a traffic on a port fa0/2?
mls qos trust dscp
-Command to trust all incoming CoS settings for a traffic on a port fa0/3?
mls qos trust cos
I just passed mine couple of days ago. Good luck!
07-03-2006 10:54 AM
What equipment for a lab would you recomend for this exam? I am about to start studying for it.
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